Air Quality
Excellent
No health implications.
24
PM2.5
41
PM10
74
O3
0.6
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Feb
44
Excellent
Thu
12 Feb
43
Excellent
Fri
13 Feb
40
Excellent
Sat
14 Feb
44
Excellent
Sun
15 Feb
43
Excellent
Mon
16 Feb
56
Good
Tue
17 Feb
37
Excellent
Air quality in the last 12 months (Hongyuan)
|
2026/01
|
39
|
33
|
31
|
39
|
38
|
35
|
33
|
33
|
37
|
36
|
35
|
38
|
43
|
40
|
43
|
39
|
39
|
48
|
48
|
40
|
39
|
42
|
33
|
29
|
50
|
85
|
65
|
57
|
50
|
44
|
45
|
|
2025/12
|
39
|
46
|
40
|
38
|
37
|
36
|
42
|
41
|
37
|
33
|
34
|
63
|
50
|
39
|
38
|
46
|
43
|
39
|
46
|
40
|
39
|
40
|
46
|
46
|
40
|
32
|
37
|
36
|
37
|
33
|
36
|
|
2025/11
|
26
|
24
|
24
|
21
|
18
|
18
|
34
|
50
|
35
|
25
|
26
|
30
|
27
|
29
|
31
|
29
|
42
|
30
|
28
|
36
|
36
|
34
|
34
|
48
|
52
|
39
|
41
|
42
|
43
|
39
|
|
|
2025/10
|
18
|
24
|
21
|
19
|
19
|
16
|
18
|
18
|
21
|
17
|
15
|
21
|
24
|
24
|
24
|
27
|
25
|
26
|
23
|
22
|
20
|
17
|
18
|
17
|
20
|
23
|
27
|
27
|
25
|
26
|
33
|
|
2025/09
|
22
|
22
|
21
|
20
|
24
|
40
|
38
|
31
|
32
|
22
|
21
|
27
|
34
|
31
|
22
|
18
|
22
|
16
|
22
|
22
|
16
|
22
|
26
|
31
|
32
|
24
|
23
|
18
|
20
|
18
|
|
|
2025/08
|
26
|
30
|
28
|
25
|
24
|
32
|
26
|
22
|
18
|
18
|
29
|
34
|
29
|
28
|
25
|
25
|
24
|
22
|
16
|
14
|
20
|
17
|
20
|
26
|
22
|
19
|
19
|
16
|
21
|
23
|
26
|
|
2025/07
|
30
|
25
|
18
|
18
|
20
|
23
|
24
|
27
|
26
|
30
|
26
|
21
|
25
|
26
|
28
|
35
|
40
|
27
|
35
|
21
|
19
|
25
|
22
|
17
|
24
|
22
|
30
|
25
|
26
|
21
|
22
|
|
2025/06
|
24
|
23
|
24
|
24
|
29
|
34
|
31
|
31
|
28
|
29
|
27
|
28
|
28
|
35
|
35
|
33
|
38
|
28
|
22
|
28
|
28
|
22
|
23
|
21
|
24
|
28
|
30
|
31
|
33
|
25
|
|
|
2025/05
|
34
|
39
|
61
|
45
|
31
|
31
|
38
|
49
|
61
|
49
|
34
|
41
|
37
|
50
|
23
|
40
|
34
|
41
|
39
|
31
|
34
|
50
|
59
|
41
|
30
|
37
|
24
|
27
|
27
|
34
|
33
|
|
2025/04
|
55
|
54
|
53
|
52
|
56
|
37
|
32
|
52
|
53
|
47
|
34
|
56
|
62
|
47
|
45
|
47
|
42
|
66
|
61
|
43
|
53
|
47
|
34
|
32
|
26
|
20
|
29
|
37
|
31
|
35
|
|
|
2025/03
|
33
|
43
|
38
|
33
|
30
|
39
|
66
|
56
|
33
|
38
|
46
|
62
|
40
|
23
|
29
|
32
|
31
|
34
|
39
|
42
|
35
|
34
|
45
|
32
|
23
|
47
|
94
|
48
|
55
|
65
|
62
|
|
2025/02
|
24
|
27
|
36
|
30
|
35
|
37
|
33
|
33
|
30
|
30
|
37
|
48
|
34
|
39
|
40
|
34
|
26
|
25
|
28
|
31
|
28
|
21
|
28
|
28
|
28
|
29
|
36
|
31
|
|||
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution